tachycardia
noun
tachy·car·dia
ˌta-ki-ˈkär-dē-ə 
: relatively rapid heart action whether physiological (as after exercise) or pathological compare bradycardia
Examples of tachycardia in a Sentence
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Porzingis has only played in 17 games this season, has not played in a back-to-back since 2024, and has dealt with postural orthostatic tachycardia syndrome (POTS) for several years.
—
Joseph Dycus, Mercury News, 10 Feb. 2026
But availability remains a persistent question for Porzingis, who has been limited to 17 games this season, due in part to the chronic autonomic nervous system illness POTS, or postural orthostatic tachycardia syndrome.
—Peter Sblendorio, New York Daily News, 5 Feb. 2026
Veteran center Kristaps Porzingis has missed 29 games this season because of lingering symptoms of postural orthostatic tachycardia syndrome, as well as various injuries, including, more recently, left Achilles tendinitis.
—Lauren Williams, AJC.com, 23 Jan. 2026
About one in four experienced episodes of ventricular tachycardia, a rapid heart rhythm that can become life-threatening if sustained.
—Peter Burke, FOXNews.com, 17 Jan. 2026
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Joseph Dycus, Mercury News, 10 Feb. 2026
But availability remains a persistent question for Porzingis, who has been limited to 17 games this season, due in part to the chronic autonomic nervous system illness POTS, or postural orthostatic tachycardia syndrome.
—Peter Sblendorio, New York Daily News, 5 Feb. 2026
Veteran center Kristaps Porzingis has missed 29 games this season because of lingering symptoms of postural orthostatic tachycardia syndrome, as well as various injuries, including, more recently, left Achilles tendinitis.
—Lauren Williams, AJC.com, 23 Jan. 2026
About one in four experienced episodes of ventricular tachycardia, a rapid heart rhythm that can become life-threatening if sustained.
—Peter Burke, FOXNews.com, 17 Jan. 2026
See All Example Sentences for tachycardia
Cite this Entry
“Tachycardia.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/tachycardia. Accessed 17 Feb. 2026.
Copy CitationMedical Definition
tachycardia
noun
tachy·car·dia
ˌtak-i-ˈkärd-ē-ə
: relatively rapid heart action whether physiological (as after exercise) or pathological see junctional tachycardia, paroxysmal tachycardia, sinus tachycardia, ventricular tachycardia compare bradycardia
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